Which side won the war

Not sure which war we are asking also, never Germany

Explanation:

The Triple Entente (Great Britian, USSR, France) won WWI vs. The Triple Alliance (Germany, Austria-Hungary and Italy)

The Allies (US, Great Britain, China, USSR) won WWII vs. The Axis Powers (Nazi Germany, Japan, Italy)

South Korea can be said to have won The Korean War since they were liberated from Communist North Korea, but there was no treaty signed by either side.

The Vietnam War was a civil dispute between the Northern Vietnam governement and the Southern Viet-Cong, the Southern government surrenders in 1975, which lead to the reunification of the country that same year